77814440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:243

約数の個数: 128

約数和(自身を含む): 206219520

約数和(自身を除く): 128405080

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 101, 103, 110, 136, 170, 187, 202, 206, 220, 340, 374, 404, 412, 440, 505, 515, 680, 748, 808, 824, 935, 1010, 1030, 1111, 1133, 1496, 1717, 1751, 1870, 2020, 2060, 2222, 2266, 3434, 3502, 3740, 4040, 4120, 4444, 4532, 5555, 5665, 6868, 7004, 7480, 8585, 8755, 8888, 9064, 10403, 11110, 11330, 13736, 14008, 17170, 17510, 18887, 19261, 20806, 22220, 22660, 34340, 35020, 37774, 38522, 41612, 44440, 45320, 52015, 68680, 70040, 75548, 77044, 83224, 94435, 96305, 104030, 114433, 151096, 154088, 176851, 188870, 192610, 208060, 228866, 353702, 377740, 385220, 416120, 457732, 572165, 707404, 755480, 770440, 884255, 915464, 1144330, 1414808, 1768510, 1945361, 2288660, 3537020, 3890722, 4577320, 7074040, 7781444, 9726805, 15562888, 19453610, 38907220, 77814440]

約数ペア:

[(1, 77814440), (2, 38907220), (4, 19453610), (5, 15562888), (8, 9726805), (10, 7781444), (11, 7074040), (17, 4577320), (20, 3890722), (22, 3537020), (34, 2288660), (40, 1945361), (44, 1768510), (55, 1414808), (68, 1144330), (85, 915464), (88, 884255), (101, 770440), (103, 755480), (110, 707404), (136, 572165), (170, 457732), (187, 416120), (202, 385220), (206, 377740), (220, 353702), (340, 228866), (374, 208060), (404, 192610), (412, 188870), (440, 176851), (505, 154088), (515, 151096), (680, 114433), (748, 104030), (808, 96305), (824, 94435), (935, 83224), (1010, 77044), (1030, 75548), (1111, 70040), (1133, 68680), (1496, 52015), (1717, 45320), (1751, 44440), (1870, 41612), (2020, 38522), (2060, 37774), (2222, 35020), (2266, 34340), (3434, 22660), (3502, 22220), (3740, 20806), (4040, 19261), (4120, 18887), (4444, 17510), (4532, 17170), (5555, 14008), (5665, 13736), (6868, 11330), (7004, 11110), (7480, 10403), (8585, 9064), (8755, 8888)]